8670000691 has 16 divisors (see below), whose sum is σ = 9810031968. Its totient is φ = 7592832000.

The previous prime is 8670000659. The next prime is 8670000737. The reversal of 8670000691 is 1960000768.

It is a 10-Lehmer number, since φ(8670000691) divides (8670000691-1)¹⁰.

It is a cyclic number.

It is not a de Polignac number, because 8670000691 - 2⁵ = 8670000659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 8670000691.

It is not an unprimeable number, because it can be changed into a prime (8670000611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64350 + ... + 146563.

It is an arithmetic number, because the mean of its divisors is an integer number (613126998).

Almost surely, 2^8670000691 is an apocalyptic number.

8670000691 is a deficient number, since it is larger than the sum of its proper divisors (1140031277).

8670000691 is a wasteful number, since it uses less digits than its factorization.

8670000691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211062.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 8670000691 is about 93112.8384864300. The cubic root of 8670000691 is about 2054.3434136681.

The spelling of 8670000691 in words is "eight billion, six hundred seventy million, six hundred ninety-one", and thus it is an aban number.